Segment Information - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Disaggregation of Revenue [Line Items]
Total net sales	$ 167,702	$ 147,977	$ 323,369	$ 291,290
Online stores
Disaggregation of Revenue [Line Items]
Total net sales	61,485	55,392	118,892	110,062
Physical stores
Disaggregation of Revenue [Line Items]
Total net sales	5,595	5,206	11,128	10,408
Third-party seller services
Disaggregation of Revenue [Line Items]
Total net sales	40,348	36,201	76,860	70,797
Advertising services
Disaggregation of Revenue [Line Items]
Total net sales	15,694	12,771	29,615	24,595
Subscription services
Disaggregation of Revenue [Line Items]
Total net sales	12,208	10,866	23,923	21,588
AWS
Disaggregation of Revenue [Line Items]
Total net sales	30,873	26,281	60,140	51,318
Other
Disaggregation of Revenue [Line Items]
Total net sales	$ 1,499	$ 1,260	$ 2,811	$ 2,522